国产三级av在线,国产精品免费久久,一区二区免费网站,小雪第一次交换又粗又大老

Contact Us
Home >Products>Special custom
Special customR&D and customization

1. The diamond layer thickness can be customized by customers;

2. The total thickness is 0.6/1.0/1.2/1.6/3.2, and can also be customized according to customer requirements.

3. Can be cut according to customer requirements.